Revert "[nrf fromlist] tests: drivers: clock_control_api: Adjust to nRF54L09 and nRF54L20"

This reverts commit 0afd70b.

Author: mstasiaknordic

tests/drivers/clock_control/clock_control_api/src/nrf_device_subsys.h

@@ -11,9 +11,8 @@ static const struct device_subsys_data subsys_data[] = {
 	{
 		.subsys = CLOCK_CONTROL_NRF_SUBSYS_HF,
 		.startup_us =
-			(IS_ENABLED(CONFIG_SOC_NRF54L20_ENGA) ||
-			 IS_ENABLED(CONFIG_SOC_NRF54L09_ENGA)) ?
-				1000 : (IS_ENABLED(CONFIG_SOC_SERIES_NRF91X) ? 3000 : 500)
+			IS_ENABLED(CONFIG_SOC_SERIES_NRF91X) ?
+				3000 : 500
 	},
 #ifndef CONFIG_SOC_NRF52832
 	/* On nrf52832 LF clock cannot be stopped because it leads